Inventor
HEITMANN KNUT
15 patents
⚠️ This page may combine multiple inventors who share the name “HEITMANN KNUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LEITZ ERNST GMBH
12 patentsUS4195425AApr 1, 1980
System for measuring position and/or velocity
LEITZ ERNST GMBH34 citations92
US4071297AJan 31, 1978
Method and apparatus for photoelectrically determining the position of at least one image focus plane
LEITZ ERNST GMBH25 citations79
US4612267ASep 16, 1986
Process for producing structures in resist layers using ultrasonic irradiation
LEITZ ERNST GMBH11 citations72
US4037958AJul 26, 1977
Apparatus for determining photoelectrically the position of at least one focusing plane of an image
LEITZ ERNST GMBH9 citations72
US3953728AApr 27, 1976
Apparatus for determining the relative position of the plane of maximum amplitude of the local frequency component
LEITZ ERNST GMBH8 citations72
US4175365ANov 27, 1979
Method and apparatus for measuring distances
LEITZ ERNST GMBH2 citations62
US4071772AJan 31, 1978
Apparatus for measurement of mechanical aberrations affecting stereoscopic image analysis
LEITZ ERNST GMBH5 citations62
US4672012AJun 9, 1987
Process for modifying structural profiles in resist layers
LEITZ ERNST GMBH5 citations61
US4496231AJan 29, 1985
Mirror reflex camera with exposure meter
LEITZ ERNST GMBH4 citations61
US4447143AMay 8, 1984
Reflex camera with electronic range finder
LEITZ ERNST GMBH4 citations61
US4226535AOct 7, 1980
Object measuring method and apparatus
LEITZ ERNST GMBH4 citations59
US4669313AJun 2, 1987
Method and apparatus for local selective detection and generation of polar structure alignments in microscopic object areas
LEITZ ERNST GMBH0 citations48